26058997 has 2 divisors, whose sum is σ = 26058998. Its totient is φ = 26058996.

The previous prime is 26058979. The next prime is 26059021. The reversal of 26058997 is 79985062.

Together with previous prime (26058979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20484676 + 5574321 = 4526^2 + 2361^2 .

It is a cyclic number.

It is not a de Polignac number, because 26058997 - 2⁷ = 26058869 is a prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26058497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13029498 + 13029499.

It is an arithmetic number, because the mean of its divisors is an integer number (13029499).

Almost surely, 2^26058997 is an apocalyptic number.

It is an amenable number.

26058997 is a deficient number, since it is larger than the sum of its proper divisors (1).

26058997 is an equidigital number, since it uses as much as digits as its factorization.

26058997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 26058997 is about 5104.8013673404. The cubic root of 26058997 is about 296.4735124170.

The spelling of 26058997 in words is "twenty-six million, fifty-eight thousand, nine hundred ninety-seven".